Weather is probably a major factor when you plan your trip to Walker, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August, with an average temperature of 15°C, while the coldest months are February and December, with an average of -3°C. The snowiest months in Walker are March, February, January and April, with each month seeing an average of 92 cm of snowfall.